Cell Cycle And Cell Division — DPP 2

19 NEET questions from Cell Cycle And Cell Division, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
A bivalent of meiosis-I consists of:
  1. A Two chromatids and one centromere
  2. B Two chromatids and two centromeres
  3. C Four chromatids and two centromeres
  4. D Four chromatids and four centromeres.
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Correct answer: C

2
Regarding arrangement of chromosomes on equator during metaphase, which of the following statements is incorrect ?
  1. A Each chromatid remains connected by one spindle fibres from both poles
  2. B Each chromosome remains connected by spindle fibres from both poles
  3. C Spindle fibres remain attached on kinetochores of both the chromatids
  4. D Each chromatid remains connected at one pole by spindle fibres
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Correct answer: A

3
Interphase of an animal cell is differ from interphase of a plant cell :-
  1. A in having DNA replication
  2. B in having centrioles duplication
  3. C in having growth of cell
  4. D in having metabolically active cell
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Correct answer: B

4
Best material for the study of mitosis in laboratory is :-
  1. A Anther
  2. B Onion root tip
  3. C Leaf tip
  4. D Ovary
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Correct answer: B

5
Prophase is marked by :
  1. A The initiation of condensation of chromosomal material
  2. B DNA Duplication
  3. C Transcription and translation
  4. D Duplication of centriole
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Correct answer: A

6
Recombination process occur between $\_\_\_\_$
  1. A Non sister chromatids of Homologous chromosomes.
  2. B Sister chromatid of Homologous chromosome.
  3. C Sister chromatids of non homologous chromosomes.
  4. D Non sister chromatids of Non homologous chromosomes.
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Correct answer: C

7
Find the incorrect statement w.r.t the given diagram.
Cell Cycle And Cell Division – NEET-2349
  1. A First stage of karyokinesis of mitosis after the $\mathrm { G } _ { 2 }$ phase of interphase.
  2. B Chromosomal material becomes entangled during the process of chromatin condensation.
  3. C The centrosome begins to move towards opposite poles of the cell.
  4. D The two asters together with spindle fibres form mitotic apparatus.
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Correct answer: B

8
In which phase (stage) synthesis of proteins for formation of spindle fibres takes place :-
  1. A $G _ { 1 }$-phase
  2. B S-phase
  3. C M-phase
  4. D $G _ { 2 }$-phase
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Correct answer: D

9
A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.
Cell Cycle And Cell Division – NEET-2177
  1. A Telophase - Endoplasmic reticulum and nucleolus not reformed yet.
  2. B Telophase - Nuclear envelop reforms, Golgi complex reforms.
  3. C Late anaphase - Chromosomes move away from equatorial plate, Golgi complex not present.
  4. D Cytokinesis - Cell plate formed, mitochondria distributed between two daughter cells.
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Correct answer: B

10
Cell cycle includes :-
  1. A Cell division
  2. B DNA replication
  3. C Cell growth
  4. D All of the above
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Correct answer: D

11
Statement A - Four haploid cells are formed at the end of meiosis I. Statement B - Nucleolus, Golgi complex and ER disintegrate during telophase.
  1. A Only statement A is correct.
  2. B Only statement B is correct.
  3. C Both statement A and B are correct.
  4. D Both statement A and B are incorrect.
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Correct answer: D

12
During cell division, in cell -
  1. A Only DNA replication takes place
  2. B Only cell growth takes place
  3. C Both DNA replication and cell growth takes place.
  4. D Neither DNA replication nor cell growth takes place
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Correct answer: C

13
Match column I and column II.
Cell Cycle And Cell Division – NEET-2344
  1. A I → $\rightarrow \mathrm{A}$, II $\rightarrow \mathrm{B}$, III $\rightarrow \mathrm{C}$, IV $\rightarrow \mathrm{D}$
  2. B I → $\rightarrow \mathrm{B}$, II $\rightarrow \mathrm{C}$, III $\rightarrow \mathrm{D}$, IV $\rightarrow \mathrm{A}$
  3. C I → $\rightarrow \mathrm{D}$, II $\rightarrow \mathrm{C}$, III $\rightarrow \mathrm{B}$, IV $\rightarrow \mathrm{A}$
  4. D I → $\rightarrow \mathrm{C}$, II $\rightarrow \mathrm{A}$, III $\rightarrow \mathrm{D}$, IV $\rightarrow \mathrm{A}$
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Correct answer: C

14
Cells enter $\mathrm { G } _ { 0 }$ phase when they:
  1. A Exit the $\mathrm { G } _ { 2 }$ phase.
  2. B Exit the $G _ { 1 }$ phase.
  3. C Suspend the $\mathrm { G } _ { 1 }$ phase.
  4. D Suspend the $\mathrm { G } _ { 1 }$ phase.
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Correct answer: B

15
Which one is correct for $\mathrm { G } _ { 0 }$ stage ?
I. It is a quiescent stage.
II. In this phase cell cycle is stopped
III. $\mathrm { G } _ { 0 }$ cells do not proliferate but metabolically active
IV. $\mathrm { G } _ { 0 }$ cells can divide in response to some stimulus
  1. A All are correct
  2. B Only I, II, III are correct
  3. C Only I, II are correct
  4. D Only I and IV are correct
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Correct answer: A

16
Label the structures indicated by (i), (ii), (iii) and (iv) in below given diagram -
Cell Cycle And Cell Division – NEET-2127
  1. A (i)-Chromatid, (ii)-Centriole, (iii)-Centromere, (iv)-Chromosome
  2. B (i)-Chromosome, (ii)-Centriole, (iii)-Centromere, (iv)-Chromatid
  3. C (i)-Chromatid, (ii)-Centromere, (iii)-Centriole, (iv)-Chromosome
  4. D (i)-Chromosome, (ii)-Centromere, (iii) Centriole, (iv)-Chromatid
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Correct answer: A

17
Cross-like configuration when non-sister chromatids of a bivalent comes in contact during the first meiotic division are:
  1. A Chiasmata
  2. B Bivalents
  3. C Chromomeres
  4. D Centromeres
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Correct answer: A

18
Match the following :-
Cell Cycle And Cell Division – NEET-2147
  1. A a–(IV) b –(III) c–(I) d–(II)
  2. B a–(IV) b–(III) c–(II) d–(I)
  3. C a–(IV) b–(II) c–(III) d–(I)
  4. D a–(IV) b–(I) c–(II) d–(III)
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Correct answer: B

19
Assertion : Meiosis is essential for maintaining specific number of chromosome in a species across generations.
Reason : Meiosis increase genetic variability in sexual reproducing organisms.
  1. A Both (A) and (R) are correct but (R) is not the correct explanation of (A).
  2. B (A) is correct but (R) is not correct.
  3. C (A) is not correct but (R) is correct.
  4. D Both (A) and (R) are correct and (R) is the correct explanation of (A).
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Correct answer: A

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